Jim Razzi is the author of over 80 books for children and young adults. Aside from his fiction, Razzi has done a number of popular puzzle books. His Star Trek Puzzle Manual was a New York Times best seller and his "infinity puzzle" book, Don't Open This Box was picked as one of the "Books of the Year" by the Child Study Association. Book List said his Sherluck Bones Mystery Detective Books were "Brain-twisting fun for young detectives."

As well as a broad range of books and subjects starting with beginning and middle-grade readers, Razzi has also published six young adult paranormal horror novels and a number of middle-grade and young adult fiction and nonfiction anthologies with a "paranormal mystery" theme. He is an active member of the Mystery Writers of America and one of the former judges for the annual Edgar awards for the best young adult mystery. He has been translated into Japanese, French, Italian, and German, and over six million of his books are in print worldwide.